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Bluetooth® Music Receiver (BA21)
User’s Manual
www.magnasonic.com
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Content
Before use…………………………………………………...…1
1. About BA21………………………………………...…….1
2. Syst em requirement s………………………………...…………1
3. Overview of BA21…………….…………………...……...1
Getting started…………………….……………………………2
1. C harging t he rec eiver………………..………………………....2
2. Turning on/off the receiver..........................................................2
3. Pairing with Bluetooth devices...................................................3
1)How to enter p airing mode …………..………………….…3
2)Pairing receiver with Bluetooth cell phone..............................3
3)Pairing receiver with Bluetooth transmitter.............................4
4. Playing music …………..…………………………………….4
5. LED indicator…………..……………………………………...5
Care and mai ntenanc e………….………………………………6
FAQs…………………………………..……………………….6
Specifications……………………...…………………………...7
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Welcome to use this Bluetooth stereo receiver BA21. Please read this user’s
1
3.5mm audio input jack
3
MFB button
2
LED indicator
4
Micro USB charging jack
manual carefully before use.
Before use
1. About BA21
BA21is a stereo Bluetooth receiver. You can use a common audio device
with 3.5mm audio jack for playing any stereo Bluetooth-enabled device’s
music after plugging in BA21.
2. System requirements
Audio device with 3.5mm audio input jack, such as speakers, radios etc .
Bluetooth transmitter supporting A2DP profile, suc h as Bluetoot h mob ile
phones, Bluetooth transmitter e tc.
3. Overview
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Getting star te d
→
→
Function
Operation
LED
Prompt tone
Turning o n
Press and hold MFB
White LED i s
Power on
Turning o ff
Press and hold MFB
seconds
Red LED is
second
Power off
1. Charging the receiver
BA21 comes with a built-in rechargeable battery, prior to using it, it is
recommended to charge the battery fully for the first time. When the
receiver emits a string of warning tones every 1 minutes and the red LED
flashes. It means battery low. Please recharge the battery fully.
1)1)Plug the USB charging cable into the charging jack of PC or charger.
2) Plug the end of USB charging cable into charging port of transmitter.
RED light on
RED light off
3) It will take about 2 hours to finish charging .
Warning:
The battery is recyclable.
Batteries (battery pack or batteries installed) shall not be exposed to
excessive heat place, such as sunshine, fire or the like.
Remarks:
Please don’t push the 3. 5 mm pl ug into the c able s lot d irect ly whe n you
reel the audio line.
Please don’t pull the3.5mm plug out from the cable slot directly when
you take out the audio l ine.
The audio line should be push in or pull out by sliding as above shown to
avoid the damage of the cable slot.
2. Turning on/off the receiver
Charging
Finished c hargin g
DC 5V
indicator
button for 3～4
seconds
button for 3～4
2
on for 1
second
on for 1
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3. Pairing with Bluetooth devices
Function
Operation
LED
indicator
Indication
tone
Entering
Ensure the receiver is
6～7 seconds .
White LED is
second.
pairing
1) How to enter pairing mode
pairing
mode
Remark: The pairing mode will last 2 minutes, the receiver will s witch to
standby mode automatically if no devices can be connected over 2 minutes.
2) Pairing with Bluetooth cell phone
Prior to using the BA21 for the first time, you have to pair it with a
Bluetooth-enabled cell phone. The general pairing procedures are as
follows:
1) Place the BA21 and Bluetoot h cell phone where they are easily viewable
2) Make the receiver enter pairing mode (please refer to “How to enter
pairing mode);
3) Activate your cell phone’s Bluetooth function and se t your cell phone to
Remarks:
After successful pairing, the BA21 and the mobile phone wil l reme mber
Every ti me the receiver is turned o n, and if it does n’t connect to any
devices, short press MFB butto n once, the receiver will conn ect to the
last connected device.
When the receiver and the mobile phone are out of effective range to
disconnected, they can connect to each other automatically once going
back to effective range.
turned off, otherwise turn
it off first and then pres s
and hol d MFB button fo r
on for 1
second and
off fo r 1
by no more than 1 meter;
search for Bluetooth devices within ra nge, and select “BA21” from
the list of devices shown. After successful connecting, white LED of
receiver flashes twice every 4 seconds.
each ot her, they wil l no need t o re-pair n ext time. Every t ime the
receiver is turned on, it will connect to the last connected devices
automatically.
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3)Pai r ing wit h B l uetoot h t r a nsmit te r
Function
Status of BA21
Operation
Pause
Playi n g mu s ic
Short press MFB button
once
Play
Pausing
Short press MFB button
once
You can connect the receiver with a Bluetooth transmitter to e njoy music
wirelessly. Hereby take BTT005 (Bluetooth transmitter, not included in
accessories) for exa mple. The pairi ng procedures are as follows:
1) Keep the receiver and tra nsmitter within
1 meter when pairing;
2) Make the receiver enter pairing mode
(Please refer to “How to enter pairing
mode);
3) Turn on the Bluetooth transmitter and
make it enter pairing mode. It will search
for Bluetooth devices automatically and
send a pairing request. After successful pairing and connecting, white
LED of the receiver flashes twice every 4 seconds.
Remarks:
The pairing password of the receiver is “0000”. So, the receiver can only
pair w ith a Bluetooth t r ansmitter whose pairing passw ord is “ 0000” .
If pairing still fails after several tries, please refer to the Bluetooth
trans mit t e r’s user ’s man ua l fo r fur t her infor ma t i o n.
4. Playing music
Connect
BA21with Bluetooth device and plug the 3.5mm audio cable of
BA21into Bluetooth audio device to listen music wireless ly.
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LED indicator
Status of BA21
White LED is on for 1 second
and off for 1 second
Pairi n g mo d e
White LED flashes once every
2 seconds
Not connected with device
White LED flashes twice
quickly every 4 seconds
Connected with device
Red LED flashes instead of
white LED
Low battery
Remarks:
The music will automatically pause w hen you dial a phone number or
there is an incoming call.
BA21doesn’t ha ve a micro phone, so you nee d to switc h the ca ll to the
mobile phone . The music wi ll automatically play when the call is ended.
5. LED indicator
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Care and maintenance
Read the following recommendations carefully before using
Following these you will be able to enjoy th is prod uct for many years.
Keep it dry and don’t put it in the dump place to avoid the product’s
internal circuit being affected.
Keep the product away from direct sunlight or hot places. High
temperatures will shorten the life of electronic devices, destroy the
battery or distort certain plastic part.
Don’t expose the product to cold areas. It may damage the internal circuit
board.
Don’t try t o d is a ss emble the p ro d uc t as it may ge t damaged i f you are not
professional.
Don’t let it fall down onto the floor or other hard surfaces. The internal
circuit might get damaged.
Don’t use intensive chemical product s or detergent to clean the pr oduct.
Don’t scratch the surface with sharp things. It may get damaged by
sweat.
Please don’t attempt to take out the battery from the receiver, as this
might damage it.
In case the receiver doesn’t function properly, send it to the store you bought
it. The staff will help you to solve the problem.
FAQs
1. What to do when BA21 can’t be turned on?
a) Please charge the
b)The battery will enter the resting mode if the BA21 hasn’t been use for a
long time. Then the red LED will on after charging for 30 minutes.
2. What to do when BA21 can’t pair and connect to a Bl ue tooth device?
a) Make sure the Bluetooth device is placed within 5 meters;
b) Ensure BA21 has entered pairing mode.
3. What to do when BA21 can’t be turned off?
Please charge the BA21 for about 2 seconds.
BA21.
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BA21.
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Specifications
Bluetooth version
Bluetooth V3.0
Bluetooth profiles
A2DP and A VRCP
Bluetooth frequency r ange
2.402GHz-2.480GHz
Operating distance
About 10 meters
Charging input voltage
DC 5V
Working time
About 8 hours
Charging time
About 2 hours
Dimension
45*33*8mm
Weight
14g
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